here is how to make a laser rangefinder http://www.pages.drexel.edu/~twd25/webcam_laser_ranger.html
On May 21, 10:27 am, "Doug Conn" <[email protected]> wrote: > I always thought one of those Stanley FatMax laser measuring tapes would be > a good candidate to hack up. They use a laser instead of the ultrasonic > pulse that most electronic measures use, and they are only $100. I think it > would be hard to poke around and find a signal or bus that a processor could > interpret, though. My guess is that the whole thing is integrated onto a > single chip and may not even expose an output other than the LED driver. I > guess you could interface to that, but what a pain. > > - Doug > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > > On Behalf Of HV > Sent: Wednesday, May 20, 2009 6:53 PM > To: R/C Tank Combat > Subject: [TANKS] Re: target tracking > > A personal radar would be nice for camping trips in grizzly > territory :) > > I think over the years there were a lot of mini radars developed for > the automotive applications - automatic braking and related. I think > one new model car has this feature, but most of these efforts never > got beyond the prototype stage. This kind of radar is typically a > millimeter wave, frequency modulated, continuous wave radar, such as > can be found at: > > http://www.ducommun.com/ww_subsystems.html > > Don't know what they cost, but they look military-ish, and expensive. > > I think it wouldn't be too difficult to modify a Doppler radar, such > as a cheap baseball speed gun, with a sawtooth frequency modulation to > measure range. > > However, if I were going to do radar, I would rather use a laser > rangefinder, like the Bushnell sports rangefinders. The standard ones > are cheap, but they don't have a computer interface. You could either > hack the innards or buy a more expensive version that has an RS232 > interface. These have plenty of range. > > Here is a link for some other sensors for robotics, including scanning > laser rangefinders and 3D flash laser cameras. Very expensive. > > http://www.acroname.com/robotics/parts/c_Sensors.html- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat -~----------~----~----~----~------~----~------~--~---
